Re: [libvirt] [PATCH] cpu: Add support for al57 Intel features

On 12/17/2017 06:02 PM, Shaohe Feng wrote: > We can start qemu with a "cpu,+la57" to set 57-bit vitrual address > space. So VM can be aware that it need to enable 5-level paging. > > Corresponding QEMU commits: > al57 6c7c3c21f95dd9af8a0691c0dd29b07247984122 > --- > src/cpu/cpu_map.xml | 3 +++ > 1 file changed, 3 insertions(+) > I think if you go through history of cpu_map.xml changes you'll find when a new feature is added there are tests added as well - this would thus seemingly need a test adjustment as well.

John > diff --git a/src/cpu/cpu_map.xml b/src/cpu/cpu_map.xml > index e5da7a8..922a195 100644 > --- a/src/cpu/cpu_map.xml > +++ b/src/cpu/cpu_map.xml > @@ -285,6 +285,9 @@ > <feature name='ospke'> > <cpuid eax_in='0x07' ecx_in='0x00' ecx='0x00000010'/> > </feature> > + <feature name='la57'> > + <cpuid eax_in='0x07' ecx_in='0x00' ecx='0x00010000'/> > + </feature> > > <feature name='avx512-4vnniw'> > <cpuid eax_in='0x07' ecx_in='0x00' edx='0x00000004'/> >